User Interface
* Substantially reduced the memory usage and startup time of Opera's history
* Link: Work on checking if there is outstanding data to sync before doing the exit sync
* Added middle click and double click to close tabs
* Crash fixes, including in the Windows panel
* Fixed Bug DSK-119010 (Opera doesn't allow access to longdesc="..." URLs)
* Fixed Bug DSK-262131 (Panel bar open by default when starting Opera for the first time)
* Fixed Bug DSK-262908 (Can't distinguish normal tabs from tabs that need attention in the page cycler)
* Fixed Bug DSK-257203 (Strings don't fit in mail account properties dialog)
* Fixed Bug DSK-261130 (Strings don't fit in Account Properties > Outgoing dialog [ru])
* Fixed Bug DSK-261135 (Strings don't fit in Message Filters dialog [ru])
* Fixed Bug DSK-263283 (Configure Speed Dial can crash Opera)
* Fixed Bug DSK-263527 (No "Open With" in transfer manager)
Core
* Fixed Bug DSK-251118 (URL crash)
Opera Mail/Chat
* Added automatic re-joining of channels in chat (will try a maximum of 20 times to the server and then the channels)
* 4 weeks before a new consistency check
* Don't schedule a database check when creating the account, but after the 4 weeks after that
* Leak fixes, including leak on attachment adding failure
* Fixed Bug DSK-261733 (From is missing on some e-mails in M2): Email address corruption when no space after quote or name
* Fixed Bug DSK-239575 (Zoom box in e-mail compose page is broken)
* Fixed Bug DSK-262732 (Mail header images appear under the mail toolbar buttons)
Opera Unite
* Fixed Bug CORE-21620 (Unite crash)
* Aditional fix for Bug DSK-255935 (Upgrade from non-Unite to Unite build does not add Unite status icon): Changing version numbers to check toolbar upgrade up until 10.10
* Upload service list when (re-)connecting to the proxy. Adjust to send max every 30 seconds if problems when connecting to the proxy
* Fixes for Bug DSK-261243 (UPnP requests even though Unite and service discovery is turned off)
* Fixed Bug DSK-261689 (Opera doesn't connect to proxy if the router doesn't respond to UPnP M-SEARCH)
* Fixed Bug DSK-261871 (Home service opened before installed service is configured)
* Fixed Bug DSK-262772 ("Add new service" goes to unite.opera.com instead of unite.opera.com/services)
BitTorrent
* Fix for non-cached BitTorrent meta file
* Fix for modal/blocking dialogs for torrents
* Fix for utf-8 encoded name and paths, also assume utf-8 encoding of all strings in accordance to latest BitTorrent specification
Windows
* Fixed version information copyright string
* Menu fixes: Use the system menu height setting for the menus. Use the system menu highlight color blended 20% with the background for the selected menu items. Add some more space for the icons on the left and right. Let the separator in menus start under the text instead of under the icons
* Fixed Bug DSK-193359 (Buttons on the Block content toolbar get displaced in Windows Native skin)
* Fixed Bug DSK-254648 (Crash with certain Chinese IMEs)
* Fixed Bug DSK-260498 (The list of closed tabs needs clicks to be shown)
* Fixed Bug DSK-262357 (Crash related to Unite icon in Windows tray)
* Fixed Bug DSK-263425 (Upgrading single-user install of Opera with no reference in registry causes problems)
Unix
* Fixed bugs related to JavaScript executed by plugins
* Improved chat system tray indication looks (Qt3)
* Make all script execution from plugins on unix synchronous, testing ns4plugins tweak
* Fixed Bug DSK-262813 (Buttons offset in "Tools > Preferences > Advanced > Content")
* Fixed Bug DSK-262938 (Missing app icon for Opera in Gnome panel and * * * Applications/Internet/Opera): Fixed the SVG icon to be more compatible
* Partially fixed Bug DSK-212990 (Swfdec doesn't work)
* Fixed Bug DSK-262820 (Downloaded files with spaces are not opened): * * * Added support for quoted arguments
* Fixed Bug DSK-262906 (Not possible to close widget from the task bar)
* Fixed Bug DSK-263684 (KDE not detected in KDE4): + Cleanup
* Fixed Bug DSK-263680 (Opera doesn't start on Mandriva)
Mac
* Fixed version information copyright string
* Enabled plugin JavaScript tweak for direct execution